Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 507	$ 444
Other comprehensive income (loss), net of tax:
Unrecognized amounts on retirement benefits, net of tax of $1 and $16	7	47
Foreign currency translation adjustment	29	(212)
Unrealized gains on available-for-sale securities, net of tax of $116 and $20	173	27
Unrealized gains on cash flow hedges, net of tax of $9 and $10	13	16
Total other comprehensive income (loss), net of tax	222	(122)
Comprehensive income	729	322
Comprehensive income attributable to noncontrolling interests	4	6
Comprehensive income attributable to Berkshire Hathaway Energy shareholders	$ 725	$ 316